1、 AEROSPACE STANDARD FITTING, BUSHING, SCREW THREAD REDUCER, FOR SEAL RING AS4340Copyright 2015 SAE International All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted, in any form or by any means, electronic, mechanical, photocopying, recordi
2、ng, or otherwise, without the prior written permission of SAE. TO PLACE A DOCUMENT ORDER: Tel: 877-606-7323 (inside USA and Canada) Tel: +1 724-776-4970 (outside USA) Fax: 724-776-0790 Email: CustomerServicesae.org SAE WEB ADDRESS: http:/www.sae.org ISSUED 1993-08REVISED 2015-02THIRD ANGLE PROJECTIO
3、N CUSTODIAN: G-3/G-3B REV.C FEDERAL SUPPLY CLASS 4730 AS4340 SHEET 1 OF 3 REV. C PROCUREMENT SPECIFICATION: /4/ KSC-F-124SAE Technical Standards Board Rules provide that: “This report ispublished by SAE toadvance thestate of technicalandengineering sciences. Theuse ofthisreport is entirelyvoluntary,
4、 andits applicability and suitability forany particularuse,including any patent infringement arising therefrom, isthe soleresponsibilityofthe user.”SAE reviews eachtechnicalreport at least every five years at which time itmay berevised,reaffirmed, stabilized, orcancelled. SAE invites yourwrittencomm
5、ents andsuggestions. SAE values your input. To provide feedbackon this Technical Report, please visit http:/www.sae.org/technical/standards/AS4340C RATIONALE CORRECTED END 2 TO STYLE “E” IN FIGURE 1, UPDATED NOTE /4/ TO DELETE “PRI” STATEMENT, AND CORRECT THE NADCAP SCOPE TO AC7112, AC7112/2. FIGURE
6、 1 - FITTING, BUSHING, SCREW THREAD REDUCER TABLE 1 - DIMENSIONS AND WEIGHTS BASIC NUMBER AS4340 /15/ SIZE CODE (NOMINAL TUBE SIZE) END 1 T1 THREAD PER AS8879 CLASS 3A END 1 (NOMINALTUBE SIZE) END 2 T2 THREAD PER AS8879 CLASS 3A END 2 A +.000.032B C D .010E LB/EA APPROX REF ALUM LB/EAAPPROXREF CRES
7、0408 .250 .4375-20UNJF .500 .7500-16UNJF 1.016 .672 .568 .980 .990-1.003 .0288 .0799 0612 .375 .5625-18UNJF .750 1.0625-12UNJ 1.266 .630 .470 1.353 1.363-1.380 .0676 .187 0812 .500 .7500-16UNJF .750 1.0625-12UNJ 1.641 .750 .562 1.353 1.363-1.380 .125 .346 0816 .500 .7500-16UNJF 1.000 1.3125-12UNJ 1.
8、688 .750 .562 1.603 1.613-1.630 .179 .497 1216 .750 1.0625-12UNJ 1.000 1.3125-12UNJ 1.922 .940 .688 1.603 1.613-1.630 .198 .550 AEROSPACE STANDARD AS4340 SHEET 2 OF 3 REV. C FITTING, BUSHING, SCREW THREAD REDUCER, FOR SEAL RING NOTES: /1/ MATERIAL: a. CODE LETTER D: TYPE 2024-T6 ALUMINUM ALLOY BAR P
9、ER AMS-QQ-A-225/6 OR AMS4112; OR, TYPE 2024-T851 ALUMINUM ALLOY BAR PER AMS-QQ-A-225/6. b. CODE LETTER J: 304 CORROSION RESISTANT STEEL BAR PER AMS-QQ-S-763 OR AMS5639. c. CODE LETTER K: 316 CORROSION RESISTANT STEEL BAR PER AMS-QQ-S-763 OR AMS5648. d. CODE LETTER R: 321 CORROSION RESISTANT STEEL BA
10、R PER AMS-QQ-S-763 OR AMS5645. e. CODE LETTER S: 347 CORROSION RESISTANT STEEL BAR PER AMS-QQ-S-763 OR AMS5646. f. CODE LETTER W: TYPE 7075-T73 ALUMINUM ALLOY BAR PER AMS-QQ-A-225/9 OR TYPE 7075-T7351 ALUMINUM ALLOY BAR PER AMS4124. 2. HEAT TREAT: a. ALL CODE LETTERS: NONE 3. FINISH: a. MATERIAL COD
11、E LETTER D: ANODIZE PER AMS2472 OR MIL-A-8625 TYPE II, CLASS 2, DYE BLUE AND DUPLEX SEAL PER PROCUREMENT SPECIFICATION. b. MATERIAL CODE LETTERS J, K, R, AND S; PASSIVATE PER AMS2700, TYPE 6 OR TYPE 7. c. MATERIAL CODE LETTER W: ANODIZE PER AMS2472 OR MIL-A-8625, TYPE II, CLASS 2, DYE BROWN, DUPLEX
12、SEAL PER PROCUREMENT SPECIFICATION. /4/ PROCUREMENT SPECIFICATION: KSC-F-124 JOHN F KENNEDY SPACE CENTER, NASA, SPECIFICATION FOR FITTINGS (PRESSURE CONNECTIONS), FLARED TUBE. PRODUCT SUPPLIED TO THIS SPECIFICATION SHALL BE MANUFACTURED BY AN ACCREDITED MANUFACTURER LISTED IN THE NATIONAL AEROSPACE
13、AND DEFENSE CONTRACTORS ACCREDITATION PROGRAM (NADCAP) QUALIFIED MANUFACTURERS LIST (QML) AC7112, AC7112/2 FOR THIS SIMILAR FLARED FITTINGS. THE QML IS AVAILABLE AT www.eAuditN. /5/ IDENTIFICATION: MARK PER AS478 CLASS C OR CLASS D; METHOD 7A3, 15A3, OR 15B. a. FOR SIZES 06 (.375 OD TUBE SIZE) AND S
14、MALLER: MANUFACTURERS NAME, CAGE CODE OR TRADEMARK, LETTERS “AS” AND MATERIAL CODE LETTER. b. FOR SIZES 08 (.500 OD TUBE SIZE) AND LARGER: MANUFACTURERS NAME, CAGE CODE OR TRADEMARK, BASIC PART NUMBER AND MATERIAL CODE LETTER. /6/ THE SEAL RING IS ORDERED SEPARATELY AS AN AS1097. /7/ HEX CORNERS MAY
15、 BE ROUNDED PER ARP1942. 8. INTERPRETATION OF DRAWING PER AS4296. 9. SURFACE TEXTURE: SYMBOLS PER ASME Y14.36M. REQUIREMENTS PER ASME B46.1. UNLESS OTHERWISE SPECIFIED, MACHINED SURFACES ARE TO BE 125 MICROINCHES Ra. 10. BREAK EDGES .003 TO .015 UNLESS OTHERWISE SPECIFIED. AEROSPACE STANDARD AS4340
16、SHEET 3 OF 3 REV. C FITTING, BUSHING, SCREW THREAD REDUCER, FOR SEAL RING 11. DIMENSIONING AND TOLERANCING: ANSI Y14.5M-1982. 12. DIMENSIONS IN INCHES UNLESS OTHERWISE SPECIFIED; TOLERANCES: LINEAR DIMENSIONS .016; ANGULAR DIMENSIONS 030. 13. A CHANGE BAR (l) LOCATED IN THE LEFT MARGIN IS FOR THE CO
17、NVENIENCE OF THE USER IN LOCATING AREAS WHERE TECHNICAL REVISIONS, NOT EDITORIAL CHANGES, HAVE BEEN MADE TO THE PREVIOUS ISSUE OF THIS DOCUMENT. AN (R) SYMBOL TO THE LEFT OF THE DOCUMENT TITLE INDICATES A COMPLETE REVISION OF THE DOCUMENT, INCLUDING TECHNICAL REVISIONS. CHANGE BARS AND (R) ARE NOT U
18、SED IN ORIGINAL PUBLICATIONS NOR IN DOCUMENTS THAT CONTAIN EDITORIAL CHANGES ONLY. 14. INVENTORIED PARTS CONFORMING TO THE PREVIOUS LETTER CHANGE MAY BE USED TO DEPLETION. 15. EXAMPLE OF PART NUMBER: AS4340 K 08 12 BASIC PART NUMBER SIZE CODE: TUBE SIZE END 2 IN .062 INCREMENTS MATERIAL CODE LETTER /1/ SIZE CODE: TUBE SIZE END 1 IN .062 INCREMENTS
